CN102736483B - Image forming apparatus and toner container - Google Patents

Image forming apparatus and toner container Download PDF

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Publication number
CN102736483B
CN102736483B CN201210109742.9A CN201210109742A CN102736483B CN 102736483 B CN102736483 B CN 102736483B CN 201210109742 A CN201210109742 A CN 201210109742A CN 102736483 B CN102736483 B CN 102736483B
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CN
China
Prior art keywords
toner
container
developing apparatus
abutting part
toner container
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201210109742.9A
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Chinese (zh)
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CN102736483A (en
Inventor
永岛辉彦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyocera Document Solutions Inc
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Kyocera Document Solutions Inc
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Publication date
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Publication of CN102736483A publication Critical patent/CN102736483A/en
Application granted granted Critical
Publication of CN102736483B publication Critical patent/CN102736483B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/06Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0877Arrangements for metering and dispensing developer from a developer cartridge into the development unit
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/06Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0865Arrangements for supplying new developer
    • G03G15/0875Arrangements for supplying new developer cartridges having a box like shape
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/06Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0877Arrangements for metering and dispensing developer from a developer cartridge into the development unit
    • G03G15/0881Sealing of developer cartridges
    • G03G15/0886Sealing of developer cartridges by mechanical means, e.g. shutter, plug
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/06Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0887Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
    • G03G15/0891Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers
    • G03G15/0893Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers in a closed loop within the sump of the developing device
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/06Developing structures, details
    • G03G2215/066Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
    • G03G2215/068Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material having a box like shape
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/06Developing structures, details
    • G03G2215/066Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
    • G03G2215/0692Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material using a slidable sealing member, e.g. shutter

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Electrophotography Configuration And Component (AREA)

Abstract

The invention provides an image forming apparatus and a toner container. The toner container (50) comprises a toner outlet (511) and a container body (51). A developing device (33) includes a developer housing (60) which includes a container mounting portion (61) and a toner supply opening (60H), a developer shutter plate (62) which is so held on the developer housing as to be movable in a direction parallel to a developing roller (331) and is displaceable to a closing position for closing the toner supply opening and an opening position, and a biasing spring which biases the developer shutter plate to the closing position. The container main body includes a first pressing plate (542) and the developer shutter plate includes an oblique elongated projection (622) with which the first pressing plate comes into contact. The first pressing plate and the oblique elongated projection are formed to displace the developer shutter plate from the closing position to the opening position against a biasing force of the biasing spring as the toner container moves in an assembling direction in a mounting process.

Description

Image processing system and toner container
Technical field
The present invention relates to image processing system and toner container, described image processing system has developing apparatus and described toner container, described developing apparatus carries out toner development to the electrostatic latent image be formed on photoreceptor, and described toner container storage toner also supplements this toner to developing apparatus.
Background technology
As image processing systems such as printers, be well known that and configure developing apparatus around photosensitive drums, and utilize this developing apparatus to carry out toner development to the electrostatic latent image be formed in photosensitive drums.Toner container can be assembled on developing apparatus with installing and removing, and reducing with toner provides toner from toner container to developing apparatus.
As the developing apparatus with this toner container, known developing apparatus has cylindric toner container installation portion, the axis of this toner container installation portion and developer roll extends abreast, this toner container installation portion is assembled with the toner container that can install and remove, and this toner container contains supply toner.When assembling toner container, toner container, toner container is inserted into rear flank in it from one end of toner container installation portion, rotates to specific direction by user.Utilize this rotation to make the toner replenishing mouth of developing apparatus consistent with the toner discharging port of toner container, and make the component of the strobe of closed described toner replenishing mouth mobile along the inner peripheral surface circumference of toner container installation portion.Its result, can supplement toner from toner container to developing apparatus.
In addition, in image processing system in the past, using the fore-and-aft direction of the direction parallel with the axis of developer roll with photosensitive drums as device, user stands on front side of device to carry out various operation.
In recent years, in the image processing systems such as some miniprinter, using the fore-and-aft direction of the direction vertical with the axis of developer roll as device.In this image processing system, from the angle improving toner container mounting or dismounting property, can consider that (horizontal direction vertical with the axis of developer roll) assembles toner container to developing apparatus on front side of device.
In this image processing system, directly can not apply the structure etc. of toner container in the past.Particularly be difficult to outside device, rotate the component of the strobe that the toner container being loaded into device inside carrys out opening and closing developing apparatus.Therefore, other structures for making component of the strobe can carry out opening and closing with the mounting or dismounting of toner container are needed.
Summary of the invention
In view of the above problems, the object of the present invention is to provide image processing system and toner container, in this image processing system, can along the direction vertical with the axis of developer roll, to developing apparatus mounting or dismounting toner container, and toner container, the suitably component of the strobe of opening and closing developing apparatus can be installed and removed with to this developing apparatus.
In order to achieve the above object, the invention provides a kind of image processing system, it comprises: image carrier, and its periphery carries toner image, developing apparatus, comprises developer roll, and described developer roll provides toner to the periphery of described image carrier, and toner container, can described developing apparatus be assembled in installing and removing, and supplement toner to described developing apparatus, described toner container comprises: container body, and described container body has the storage toner resettlement section of toner, the cylindrical portion projecting from the bottom of a side of described toner resettlement section and is arranged on the toner discharging port of tip lower surface of described cylindrical portion, helicoid conveyer, carries the toner be stored in toner resettlement section to described toner discharging port, and component of the strobe, for toner discharging port described in switch, described toner container using the direction vertical with the axis of described developer roll as assembling direction, described developing apparatus is assembled into along this assembling direction, described developing apparatus comprises: housing main body, long in the axially size of described developer roll, accommodates described developer roll, and have toner replenishing mouth, described toner replenishing mouth receives the toner from described toner container, container mount, is configured on described housing main body, and for assembling described toner container, development flashboard, with can along the mode of the direction displacement parallel with the axis of described developer roll, remain on described housing main body, and can displacement between the primary importance of described toner replenishing mouth and the second place that described toner replenishing mouth is opened wide closed, and apply acting force component, apply towards the acting force of described primary importance to described development flashboard, assemble along the direction vertical with the long side direction of described housing main body under the state that described toner container arranges along described assembling direction with described cylindrical portion in described toner resettlement section, enter along described assembling direction with described cylindrical portion, described component of the strobe by described assembling side in the opposite direction displacement carry out unlimited described toner discharging port, described container body has vessel side first abutting part, described development flashboard has component of the strobe side abutting part, described toner container is being assembled in the assembling process of described container mount of described developing apparatus, described vessel side first abutting part abuts with described component of the strobe side abutting part, described vessel side first abutting part and described component of the strobe side abutting part are formed: in described assembling process, move to described assembling direction with described toner container, overcome the acting force of described applying acting force component, make described development flashboard from described primary importance to described second place displacement.
In addition, the present invention also provides a kind of image processing system, and it comprises: image carrier, and its periphery carries toner image, developing apparatus, comprises developer roll, and described developer roll provides toner to the periphery of described image carrier, and toner container, can described developing apparatus be assembled in installing and removing, and supplement toner to described developing apparatus, described toner container comprises container body, described container body has toner discharging port on assigned position, described toner container using the direction vertical with the axis of described developer roll as assembling direction, described developing apparatus is assembled into along this assembling direction, described developing apparatus comprises: housing main body, accommodate described developer roll, and there is toner replenishing mouth, described toner replenishing mouth receives the toner from described toner container, container mount, is configured on described housing main body, and for assembling described toner container, development flashboard, with can along the mode of the direction displacement parallel with the axis of described developer roll, remain on described housing main body, and can displacement between the primary importance of described toner replenishing mouth and the second place that described toner replenishing mouth is opened wide closed, and apply acting force component, apply towards the acting force of described primary importance to described development flashboard, described container body has vessel side first abutting part, described development flashboard has component of the strobe side abutting part, described toner container is being assembled in the assembling process of described container mount of described developing apparatus, described vessel side first abutting part abuts with described component of the strobe side abutting part, described vessel side first abutting part and described component of the strobe side abutting part are formed: in described assembling process, move to described assembling direction with described toner container, overcome the acting force of described applying acting force component, make described development flashboard from described primary importance to described second place displacement, in described vessel side first abutting part and described component of the strobe side abutting part, at least the abutting part of side has dip plane, described dip plane is as the bearing surface abutted with the abutting part of opposite side, tilt relative to described assembling direction, in described assembling process, described dip plane converts the pressing force of described toner container to and makes described development flashboard from described primary importance to the power of described second place displacement, described container body also comprises: helicoid conveyer, for the toner of described container body inside is supplied to described developing apparatus, and container gear, be connected with the tip of described helicoid conveyer, described developing apparatus also comprises gear carrier, described gear carrier have can with the output gear of described container gears meshing, described gear carrier can switch between the position of engagement making described output gear be meshed with described container gear and the retreating position kept out of the way from the described position of engagement.
In addition, the present invention also provides a kind of toner container, toner is supplemented to developing apparatus, described developing apparatus comprises developer roll, the periphery that described developer roll carries the image carrier of toner image on periphery provides toner, described toner container can be assembled into described developing apparatus with installing and removing, described developing apparatus also comprises: housing main body, long in the axially size of described developer roll, there is container mount and toner replenishing mouth, described container mount is for assembling described toner container, described toner replenishing mouth receives the toner from the described toner container being assembled in described container mount, development flashboard, with can along the mode of the direction displacement parallel with the axis of described developer roll, remain on described housing main body, and can displacement between the primary importance of described toner replenishing mouth and the second place that described toner replenishing mouth is opened wide closed, and apply acting force component, apply towards the acting force of described primary importance to described development flashboard, described toner container comprises: container body, and described container body has the storage toner resettlement section of toner, the cylindrical portion projecting from the bottom of a side of described toner resettlement section and is arranged on the toner discharging port for supplementing toner to described developing apparatus of tip lower surface of described cylindrical portion, helicoid conveyer, carries the toner be stored in toner resettlement section to described toner discharging port, and component of the strobe, for toner discharging port described in switch, described toner container using the direction vertical with the axis of described developer roll as assembling direction, described developing apparatus is assembled into along this assembling direction, assemble along the direction vertical with the long side direction of described housing main body under the state that described toner container arranges along described assembling direction with described cylindrical portion in described toner resettlement section, enter along described assembling direction with described cylindrical portion, described component of the strobe by described assembling side in the opposite direction displacement carry out unlimited described toner discharging port, described container body has abutting part, described toner container is being assembled in the process of described container mount, described abutting part abuts with described development flashboard, described abutting part is formed: in described assembling process, move to described assembling direction with described toner container, overcome the acting force of described applying acting force component, make described development flashboard from described primary importance to described second place displacement.
Accompanying drawing explanation
Fig. 1 is the cut-open view of the image processing system inner structure representing one embodiment of the present invention.
Fig. 2 is the vertical view representing developing apparatus and the toner container assembled in described image processing system.
Fig. 3 is the stereographic map of the developing apparatus shown in Fig. 2 and toner container.
Fig. 4 is the stereographic map of single developing apparatus.
Fig. 5 is the vertical view of the inner structure representing developing apparatus.
Fig. 6 is the stereographic map of single toner container.
Fig. 7 is the enlarged drawing (state that development flashboard is in the closed position) of the major part representing container mount and neighbouring developing apparatus thereof.
Fig. 8 is the enlarged drawing (state that development flashboard is in an open position) of the major part representing container mount and neighbouring developing apparatus thereof.
Fig. 9 represents that gear carrier is in the enlarged drawing of the major part of the developing apparatus of retreating position state.
Figure 10 represents the enlarged drawing being assembled with the developing apparatus of toner container state and the major part of toner container.
Figure 11 represents that toner container is assembled into the developing apparatus of process on developing apparatus (displacement state of development flashboard) and the schematic diagram of toner container.
Embodiment
With reference to the accompanying drawings embodiments of the present invention are described in detail.Fig. 1 is the cut-open view of image processing system 1 inner structure representing one embodiment of the present invention.At this, illustrate black-and-white printer as image processing system 1, but image processing system also can be duplicating machine, facsimile recorder or the digital complex machine with these functions, in addition, can also be the image processing system forming coloured image.
Image processing system 1 comprises: main body cover 10, has the body structure of cuboid substantially; And the sheet feed section 20, image forming part 30, fixing section 40 and the toner container 50 that are housed in this main body cover 10.
Before main body cover 10, side (right side of Fig. 1) has protecgulum 11, below side and has bonnet 12.User, by opening protecgulum 11, can take out toner container 50 when toner is finished from side before main body cover 10.Bonnet 12 is the lids opened when sheet is stuck or safeguard.By opening bonnet 12, each unit of image forming part 30 and fixing section 40 can be taken out from the side below of main body cover 10.In addition, the upper surface of main body cover 10 has paper delivery portion 13, discharge for the sheet after image is formed.
Sheet feed section 20 comprises paper feeding cassette 21, for accommodating the sheet that will be implemented image formation processing.This paper feeding cassette 21 can from the side, front of main body cover 10 to direction extraction at the moment.In paper feeding cassette 21, have sheet receiving space and the riser etc. of collecting sheet pile, this riser can lift to provide described sheet to pile up.The top of side, paper feeding cassette 21 rear end is provided with sheet extraction unit 21A.This sheet extraction unit 21A is configured with pickup roller (omitting diagram), for the sheet of the sheet pile the superiors in paper feeding cassette 21 is extracted out one by one.
Image forming part 30 carries out image formation processing, and this sheet that image formation processing is being sent from sheet feed section 20 forms toner image.Image forming part 30 comprises photosensitive drums 31 (being called image carrier) and is configured in Charging system 32, exposure device (not representing in FIG), developing apparatus 33, transfer roll 34 and the cleaning device 35 around this photosensitive drums 31.
Photosensitive drums 31 is rotated around its axle, and forms electrostatic latent image and toner image on its periphery.The photosensitive drums of amorphous silicon (a-Si) based material can be used as photosensitive drums 31.Charging system 32 makes the surface uniform of photosensitive drums 31 charged, and comprises the charged roller abutted with photosensitive drums 31.Exposure device has LASER Light Source and the optical system such as catoptron and lens equipment, and irradiates the light after based on the view data modulation provided from external device (ED)s such as personal computers to the periphery of photosensitive drums 31, forms electrostatic latent image.
Developing apparatus 33 provides toner to the periphery of photosensitive drums 31, to make the described electrostatic latent image development in photosensitive drums 31, forms toner image.Developing apparatus 33 comprises: developer roll 331, carries the toner provided to photosensitive drums 31; And first helicoid conveyer 332 and the second helicoid conveyer 333, in development shell 60 (with reference to Fig. 2 to Fig. 5, being called housing main body) internal edges, stirrings limit is carried out to developer (toner) and carry out circulation and carry.To be described in detail this developing apparatus 33 later.
Transfer roll 34 is for being transferred to sheet the toner image be formed on photosensitive drums 31 periphery, and transfer roll 34 and photosensitive drums 31 form transfer printing crack portion.Apply and the opposite polarity transfer bias of toner to this transfer roll 34.Cleaning device 35 has clearer etc., for cleaning the periphery of the photosensitive drums 31 after toner image transfer printing.
Fixing section 40 carries out the fixing process toner image after transfer printing is fixed on sheet.Fixing section 40 comprises: fixing roller 41, and its inside has heating source; And backer roll 42, contact with this fixing roller 41 pressure, and between backer roll 42 and fixing roller 41, form fixing crack portion.If pass through described fixing crack portion transferred with the sheet of toner image, then by being undertaken heating by fixing roller 41 and being pressed by backer roll 42, toner image is fixed on sheet.
Toner container 50 stores the toner supplemented to developing apparatus 33.Toner container 50 comprises: container body 51, contains toner; And helicoid conveyer 52, for carrying the toner being housed in internal tank.
Container body 51 mainly comprises: toner resettlement section 51a, storage toner; Cylindrical portion 51b, projecting from the bottom of 51a side, this toner resettlement section (being below Fig. 1); And lid component 51c, cover another side (with reference to Fig. 6) of toner resettlement section 51a.Helicoid conveyer 52 comprises: axle 521, and the orientation along toner resettlement section 51a and cylindrical portion 51b extends; And blade part 522, projecting curl on the periphery of this axle 521.By driving helicoid conveyer 52 to rotate, the toner be stored in toner container 50 being transported to cylindrical portion 51b from toner resettlement section 51a, and being provided in developing apparatus 33 from the toner discharging port 511 being arranged on cylindrical portion 51b tip lower surface.Later the thin portion structure of this toner container 50 will be described in detail.
In order to transporting thin lamellar body, there is in main body cover 10 main transfer passage 22F and upset transfer passage 22B.Main transfer passage 22F via image forming part 30 and fixing section 40, extends to the exit slot 14 be oppositely arranged with the paper delivery portion 13 of main body cover 10 upper surface from the sheet extraction unit 21A of sheet feed section 20.When carrying out printed on both sides to sheet, the upset upstream side of transfer passage 22B for making the sheet after being printed on one side turn back to the image forming part 30 of main transfer passage 22F.
Lean on upstream position than the transfer printing crack portion of photosensitive drums 31 and transfer roll 34 in main transfer passage 22F, be provided with alignment roller to 23.To 23, sheet temporarily stopped utilizing alignment roller and after correction is departed to it, on the regulation opportunity of carrying out image transfer printing, above-mentioned sheet sent to described transfer printing crack portion.On the suitable position of main transfer passage 22F and upset transfer passage 22B, be configured with multiple conveying roller for transporting thin lamellar body, such as, near exit slot 14, be configured with exit roller to 24.
Upset transfer passage 22B is formed between the inside surface of the lateral surface of roll-over unit 25 and the bonnet 12 of main body cover 10.In addition, the medial surface of roll-over unit 25 is provided with transfer roll 34 and alignment roller to 23 in a roller.Bonnet 12 and roll-over unit 25 can be distinguished winding and rotate at the axle of the fulcrum 121 of their lower ends.When there occurs sheet in upset transfer passage 22B and being stuck, open bonnet 12.When there occurs when sheet is stuck in main transfer passage 22F or want photosensitive drums 31 unit or developing apparatus 33 to be fetched into outside, after covering 12 after opening, open roll-over unit 25 again.
Referring to Fig. 2 to Figure 11, the structure of developing apparatus 33 and toner container 50 is described.Fig. 2 is the vertical view of the assembled state representing developing apparatus 33 and toner container 50, Fig. 3 is the stereographic map of said apparatus assembled state, Fig. 4 is the stereographic map of single developing apparatus 33, Fig. 5 is the vertical view of the inner structure representing developing apparatus 33, Fig. 6 is the stereographic map of single toner container, Fig. 7 to Fig. 9 is the enlarged drawing of the major part of developing apparatus 33, Figure 10 represents enlarged drawing toner container being assembled into the developing apparatus of state and the major part of toner container on developing apparatus, Figure 11 represents that toner container is assembled into the developing apparatus of the process on developing apparatus and the schematic diagram of toner container.
Developing apparatus 33 comprises development shell 60, and this development shell 60 has long box-formed shape in a direction (axis of developer roll 331).Development shell 60 is formed with the peristome extended along its long side direction, and a part for developer roll 331 periphery is exposed from this peristome.In the present embodiment, development shell 60, in its long side direction mode consistent with main body cover 10 left and right directions, is assembled on main body cover 10.
With reference to Fig. 5, development shell 60 has inner space 600.When dual component development mode, in this inner space 600, be filled with the developer of toner and carrier formation.In inner space 600, carrier and toner make charged toner after being uniformly mixed, and toner is transported to developer roll 331.Toner is successively supplied to developer roll 331 and is consumed, and suitably provides the above-mentioned part be consumed from toner container 50.
The inner space 600 of development shell 60 is divided into the long first passage 602 of left and right directions and second channel 603 by the dividing plate 601 extended in left-right direction.Dividing plate 601 is shorter than the width of development shell 60 left and right directions, has the first interconnecting part 604 and the second interconnecting part 605 being communicated with first passage 602 and second channel 603 respectively at right-hand member and the left end of dividing plate 601.Thus, the circulating path that first passage 602, first interconnecting part 604, second channel 603 and the second interconnecting part 605 are formed is formed in the inside of development shell 60.
In first passage 602, contain the first helicoid conveyer 332, in second channel 603, contain the second helicoid conveyer 333.First helicoid conveyer 332 and the second helicoid conveyer 333 comprise axle and blade part respectively, and this blade part is projecting curl on the periphery of this axle.By driving the first helicoid conveyer 332 to make it sway, to the arrow a direction conveying developer of Fig. 5.On the other hand, by driving the second helicoid conveyer 333 to make it sway, to arrow b direction conveying developer.Therefore, by driving the first helicoid conveyer 332 and the second helicoid conveyer 333 to rotate, can along above-mentioned circulating path circulation conveying developer.
With reference to Fig. 4, Fig. 7 and Fig. 8, near the left end of the top board 60T of development shell 60, there is container mount 61.This container mount 61 offers toner replenishing mouth 60H, for will the toner receiver come be provided in this development shell 60 from toner container 50, under the state that toner container 50 is assembled on described container mount 61, this toner replenishing mouth 60H is consistent in the vertical direction with the described toner discharging port 511 of toner container 50.
Toner replenishing mouth 60H is positioned at the top near first passage 602 left end of described development shell 60.Therefore, newly supplement from toner replenishing mouth 60H the toner come and mix with existing developer after first passage 602 falls, and carried to arrow a direction by the first helicoid conveyer 332.Now, toner and carrier are stirred and make charged toner.Then, toner enters second channel 603 from the downstream end of first passage 602 via the first interconnecting part 604, and is carried to arrow b direction by the second helicoid conveyer 333.When carrying out above-mentioned conveying, make charged toner equally, and a part for toner is provided on the periphery of developer roll 331 simultaneously.Further, the toner of remainder and carrier turn back to the upstream extremity of first passage 602 via the second interconnecting part 605.
The upper surface of the top board 60T of development shell 60 is configured with the development flashboard 62 (being called component of the strobe) that can slide in left-right direction.Development flashboard 62 can move between a closed position and a open position, this off-position is positioned on described container mount 61 and comes (the position shown in Fig. 7, position of closed this toner replenishing mouth 60H by covering toner replenishing mouth 60H, be called primary importance of the present invention), described open position is moved to the right from above-mentioned off-position and makes the position (position shown in Fig. 4 and Fig. 8 is called the second place of the present invention) that toner replenishing mouth 60H opens wide.
Development flashboard 62 has outstanding guiding teat 621 downwards.This guiding teat 621 inserts the gathering sill 611 of slit-shaped, and this gathering sill 611 to be formed on described top board 60T and to extend in left-right direction.In addition, described top board 60T is formed with rib 623, this rib 623 extends in left-right direction and covers a part for development flashboard 62 from upside.Thus, stably slided from top pressing, edge gathering sill 611 in the lateral direction by rib 623 in development flashboard 62 limit.
Applying acting force spring 625 (be called and apply acting force component) is utilized to apply towards acting force that is left, that be namely located at off-position development flashboard 62 all the time.Applying acting force spring 625 is volute springs, and its each end is arranged on not shown spring base, on the right-hand member edge that above-mentioned spring base is separately positioned on development flashboard 62 and the rib 624 adjacent with this development flashboard 62.
Projecting on the upper surface of development flashboard 62 have the inclination strip bulge 622 (being called component of the strobe side abutting part) tilted relative to fore-and-aft direction.This inclination strip bulge 622 to this inclination strip bulge 622 from its on front side of externally applied forces convert the thrust making development flashboard 62 (right side Fig. 7) movement to the right to, above-mentioned external force is pressing force when toner container 50 is assembled on developing apparatus 33, and above-mentioned thrust makes development flashboard 62 from primary importance to the power of second place displacement.In addition, in the present embodiment, the surface on front side of inclination strip bulge 622 is equivalent to dip plane of the present invention.
The guide part 612 of toner container 50 is configured with in the left side of the container mount 61 of development shell 60.When toner container 50 is assembled on container mount 61, guide part 612 guides this toner container 50, and guide part 612 is made up of the bar shaped projection extended along the longitudinal direction, on the upper surface of the projecting top board 60T at development shell 60 of this bar shaped projection.
Also be configured with shaft component 63, gear carrier 65 and not shown applying acting force spring in the left side of this guide part 612, above-mentioned component is used for passing to toner container 50 from the rotating drive power omitting illustrated motor.
Shaft component 63 comprises: rotation axis 631, extends along the longitudinal direction, and can be bearing in rotationally on support 64, and this support 64 is configured on described top board 60T; Shaft coupling 632, is fixed on one end (being front side in Fig. 7) of this rotation axis 631, and is applied in the rotating drive power from described motor; And the neutral gear 633 to be made up of spur gear, be fixed on the other end of described rotation axis 631.
Gear carrier 65 comprises: bracket main body 652, can swingingly be bearing on the described rotation axis 631 of shaft component 63; And the output gear 651 to be made up of spur gear, with the state engaged with described neutral gear 633, can be bearing in rotationally on described bracket main body 652.Gear carrier 65 can swing between the position of engagement (position shown in Fig. 7) and retreating position (position shown in Fig. 9), this position of engagement is the position that output gear 651 engages with the aftermentioned container gear 52G of the toner container 50 be assembled on described container mount 61, this retreating position be output gear 651 from the above-mentioned position of engagement (left side) position of keeping out of the way laterally.Utilize and apply acting force spring applies to be located at the position of engagement all the time acting force to gear carrier 65.This applying acting force spring (being called that gear carrier applies acting force component) is torsion disc spring, and the position between described support 64 and gear carrier 65 is arranged on described rotation axis 631, the two ends of this applying acting force spring engage with support 64 and bracket main body 652.
In addition, the output gear 651 of described gear carrier 65 and the neutral gear 633 of described shaft component 63, make the velocity of rotation of the rotating drive power passing to shaft component 63 from described motor, be reduced to the velocity of rotation needing the regulation passing to toner container 50.
The bracket main body 652 of described gear carrier 65 is formed abutting part 653 (being called gear carrier side abutting part), and when toner container 50 is installed on container mount 61, this abutting part 653 abuts with toner container 50.This abutting part 653 has the bearing surface tilted relative to fore-and-aft direction, this bearing surface to turn left the rotating force (that is, make gear carrier 65 from the position of engagement power to retreating position displacement) of (be viewed as from front and turn left) converting gear carrier 65 to this abutting part 653 to from front side externally applied forces.
Under the state that toner resettlement section 51a and cylindrical portion 51b arranges along the longitudinal direction, as denoted by the arrow a in figure 2, toner container 50, along the direction (fore-and-aft direction/assembling direction) vertical with development shell 60 long side direction, is assembled into developing apparatus 33 from cylindrical portion 51b side.Therefore, under the state that toner container 50 is arranged on developing apparatus 33, with the rotation of described helicoid conveyer 52, the toner limit of internal tank is sent to rear side from front side, limit is provided to developing apparatus 33.
In the tip edge lower part of the cylindrical portion 51b of toner container 50, first pressing plate 542 (being called vessel side first abutting part) is installed, for pressing the development flashboard 62 of development shell 60, in cylindrical portion 51b than tip slightly by being provided with the second pressing plate 544 (being called vessel side second abutting part) on the left side of rear side, for pressing the bracket main body 652 of gear carrier 65.In addition, on the first end face of cylindrical portion 51b, the container gear 52G be made up of spur gear is configured with, for inputting rotating drive power to helicoid conveyer 52 to expose mode.This container gear 52G is configured to the described axle 521 of helicoid conveyer 52 on the same axis and can be connected with the tip of this axle 521 with the mode of axle 521 unitary rotation.
When being installed on developing apparatus 33 by toner container 50, user is inserted into toner container 50 image processing system 1 from front, thus is assembled on the described container mount 61 of development shell 60.Now, user inserts the teat 613 be formed on guide part 612 in the groove portion 545 (with reference to Fig. 6) be formed on cylindrical portion 51b sidepiece, and makes toner container 50 enter into the assembling position of regulation along guide part 612.
If the cylindrical portion 51b of toner container 50 enters container mount 61 from front to back, the then gear carrier 65 of cylindrical portion 51b interference configuration on the position of engagement, thus make gear carrier 65 move to retreating position (eliminating toner container 50 with reference in Fig. 9, Fig. 9).Specifically, the bearing surface by the second pressing plate 544 from front with described abutting part 653 abuts, and overcomes the acting force applying acting force spring, makes gear carrier 65 (be viewed as left) rotation left from front side centered by rotation axis 631.Thus, the container gear 52G of cylindrical portion 51b tip and the output gear 651 of developing apparatus 33 can be avoided mutually to disturb.
And, if toner container 50 enters into the assembling position of regulation, then as shown in Figure 10, by making the second pressing plate 544 by the position of abutting part 653, relieve the abutting state between them, gear carrier 65 utilizes the acting force applying acting force spring to turn back to the position of engagement.Thus, output gear 651 engages with container gear 52G, becomes the state can transmitting rotating drive power from developing apparatus 33 to toner container 50.
On the other hand, if the cylindrical portion 51b of toner container 50 enters container mount 61 from front to back, then the first pressing plate 542 of toner container 50 is disturbed with the development flashboard 62 be configured in off-position and this development flashboard 62 is moved to the right.Specifically, as shown in (a), (b) of Figure 11, first pressing plate 542 abuts at the inclination strip bulge 623 on flashboard 62 upper surface that develops with projecting, and overcomes the acting force applying acting force spring 62, and development flashboard 61 is pushed to right side.And, if toner container 50 enters into the assembling position ((c) of Figure 11) of regulation, the flashboard 62 that then develops arrives open position and makes toner replenishing mouth 60H become unlimited state, and the toner discharging port 511 of toner container 50 becomes the state relative with this toner replenishing mouth 60H, thus, the state can supplementing toner from toner container 50 to developing apparatus 33 is become.In addition, although the diagram of eliminating, but toner container 50 has the component of the strobe of opening and closing toner discharging port 511, when installing toner container 50, cylindrical portion 51b with toner container 50 enters into rear from front, utilizes the teat 613 be formed on described guide part 612, this component of the strobe is pushed to side, front, thus, toner discharging port 511 can be opened.
On the other hand, if taken off from container mount 61 by toner container 50, then the flashboard 62 that develops utilizes the acting force of described applying acting force spring 625 to turn back to off-position, thus, can close toner replenishing mouth 60H.
As mentioned above, according to this image processing system 1, when installing and removing toner container 50 to developing apparatus 33, opening and closing toner replenishing mouth 60H can be carried out with above-mentioned mounting or dismounting.Particularly in this image processing system 1, due to by making development flashboard 62 assemble vertical direction, direction (direction parallel with the axis of developer roll 331) displacement in left-right direction, namely with toner container 50, carry out opening and closing toner replenishing mouth 60H, so compared with making the situation of development flashboard 62 displacement along the longitudinal direction, the displacement of development flashboard 62 is not easy to be restricted.Specifically, when make development flashboard 62 along the longitudinal direction displacement, limit because there is photosensitive drums 31 development flashboard 62 displacement, but when make development flashboard 62 in left-right direction displacement can not be subject to this restriction.Therefore, it is possible to guarantee that the shift length of development flashboard 62 is larger, thus, can toner replenishing mouth 60H be done larger, thus toner can be provided from toner container 50 to developing apparatus 33 swimmingly.
And, in this image processing system 1, owing to assembling toner container 50 by adjoint, make to be assembled in the first pressing plate 542 on this toner container 50 and be formed in the inclination strip bulge 622 developed on shell 60 and abut, make this development flashboard 62 along gathering sill 611 displacement of development shell 60, so have the advantage that just can be obtained above-mentioned action effect by very simple structure.
Above the image processing system 1 of embodiment of the present invention is illustrated, but the present invention is not limited thereto, such as, can adopt following variant embodiment.
(1) in the above-described embodiment, by making the first pressing plate 542 of toner container 50 and being formed in the inclination strip bulge 622 developed on flashboard 62 and abutting, development flashboard 62 is moved, but the end face of development flashboard 62 (left side) also can be made itself to become the dip plane tilted relative to fore-and-aft direction, and the first pressing plate 542 of toner container 50 is abutted with this dip plane.
In addition, the first pressing plate 542 can install the parts with (with inclination strip bulge 622 parallel) dip plane corresponding with inclination strip bulge 622, and inclination strip bulge 622 is contacted with the first pressing plate 542.According to this configuration, the first pressing plate 542 can be utilized to press inclination strip bulge 622 more reposefully, make its displacement.
In addition, the relation of the development flashboard 62 in above-mentioned embodiment and toner container 50 also can be made contrary.Namely, development flashboard 62 such as uses the parts being formed with shaft-like teat to carry out alternative inclination strip bulge 622, and the first pressing plate 542 uses the parts with the dip plane tilted relative to fore-and-aft direction, by making the shaft-like teat of the dip plane of the first pressing plate 542 and development flashboard 62 mutually abut, make development flashboard 62 displacement.
(2) in the above-described embodiment, be by by development flashboard 62 with can the mode of movement in left-right direction, remain on development shell 60, and the first pressing plate 542 of toner container 50 is abutted with the inclination strip bulge 622 be formed on this development flashboard 62, open toner replenishing mouth 60H, but the mechanism for opening and closing toner replenishing mouth 60H also can adopt the mechanism beyond above-mentioned embodiment, as long as toner container 50 motion along the longitudinal direction can be converted to the mechanism of development flashboard 62 motion in left-right direction.
(3) in the above-described embodiment, by forming toner replenishing mouth 60H in developing apparatus 33 on the position of its left end, and make development flashboard 62 to the right side displacement of developing apparatus 33, carry out opening and closing toner replenishing mouth 60H, but toner replenishing mouth 60H also can be arranged on the middle part of developing apparatus 33 left and right directions.But, owing to passing through as above-mentioned embodiment, in developing apparatus 33 than left and right directions middle part on the position of an end (left part), toner replenishing mouth 60H is set, and make development flashboard 62 to another end (right-hand member position) displacement, can guarantee that the shift length of development flashboard 62 is larger, so with arrange the situation of toner replenishing mouth 60H in left and right directions middle part compared with, having can in left-right direction the advantage that this toner replenishing mouth 60H arranges larger.
(4) in the above-described embodiment, toner container 50 is being installed under the state on developing apparatus 33, there is shape elongated along the longitudinal direction, and utilize the configuration helicoid conveyer 52 extended along the longitudinal direction therein, toner is transported to toner discharging port 511, but the concrete structure of toner container is not limited thereto.Such as, can be following toner container, it comprises: container body, extends abreast with developer roll; And helicoid conveyer, be configured in the inside of this container body and the long side direction along this container body extends, utilize the rotation of this helicoid conveyer, edge its axially carry toner, limit leads toner the toner discharging port be formed on container body long side direction ad-hoc location.

Claims (7)

1. an image processing system, is characterized in that comprising: image carrier, and its periphery carries toner image; Developing apparatus, comprises developer roll, and described developer roll provides toner to the periphery of described image carrier; And toner container, can described developing apparatus be assembled in installing and removing, and supplement toner to described developing apparatus,
Described toner container comprises: container body, and described container body has the storage toner resettlement section of toner, the cylindrical portion projecting from the bottom of a side of described toner resettlement section and is arranged on the toner discharging port of tip lower surface of described cylindrical portion; Helicoid conveyer, carries the toner be stored in toner resettlement section to described toner discharging port; And component of the strobe, for toner discharging port described in switch, described toner container as assembling direction, is assembled into described developing apparatus along this assembling direction using the direction vertical with the axis of described developer roll,
Described developing apparatus comprises:
Housing main body, long in the axially size of described developer roll, accommodate described developer roll, and have toner replenishing mouth, described toner replenishing mouth receives the toner from described toner container;
Container mount, is configured on described housing main body, and for assembling described toner container;
Development flashboard, with can along the mode of the direction displacement parallel with the axis of described developer roll, remain on described housing main body, and can displacement between the primary importance of described toner replenishing mouth and the second place that described toner replenishing mouth is opened wide closed; And
Apply acting force component, apply towards the acting force of described primary importance to described development flashboard,
Assemble along the direction vertical with the long side direction of described housing main body under the state that described toner container arranges along described assembling direction with described cylindrical portion in described toner resettlement section, enter along described assembling direction with described cylindrical portion, described component of the strobe by described assembling side in the opposite direction displacement carry out unlimited described toner discharging port
Described container body has vessel side first abutting part, described development flashboard has component of the strobe side abutting part, described toner container is being assembled in the assembling process of described container mount of described developing apparatus, and described vessel side first abutting part abuts with described component of the strobe side abutting part
Described vessel side first abutting part and described component of the strobe side abutting part are formed: in described assembling process, move to described assembling direction with described toner container, overcome the acting force of described applying acting force component, make described development flashboard from described primary importance to described second place displacement.
2. image processing system according to claim 1, is characterized in that,
In described vessel side first abutting part and described component of the strobe side abutting part, at least the abutting part of side has dip plane, and described dip plane, as the bearing surface abutted with the abutting part of opposite side, tilts relative to described assembling direction,
In described assembling process, described dip plane converts the pressing force of described toner container to and makes described development flashboard from described primary importance to the power of described second place displacement.
3. image processing system according to claim 1 and 2, is characterized in that,
Described developing apparatus on the position of a side end of this axis, has described toner replenishing mouth in the middle part of the axis than described developer roll,
It is the described second place that described development flashboard is displaced to the position of a described axial side end opposite side.
4. an image processing system, is characterized in that comprising: image carrier, and its periphery carries toner image; Developing apparatus, comprises developer roll, and described developer roll provides toner to the periphery of described image carrier; And toner container, can described developing apparatus be assembled in installing and removing, and supplement toner to described developing apparatus,
Described toner container comprises container body, and described container body has toner discharging port on assigned position, and described toner container as assembling direction, is assembled into described developing apparatus along this assembling direction using the direction vertical with the axis of described developer roll,
Described developing apparatus comprises:
Housing main body, accommodates described developer roll, and has toner replenishing mouth, and described toner replenishing mouth receives the toner from described toner container;
Container mount, is configured on described housing main body, and for assembling described toner container;
Development flashboard, with can along the mode of the direction displacement parallel with the axis of described developer roll, remain on described housing main body, and can displacement between the primary importance of described toner replenishing mouth and the second place that described toner replenishing mouth is opened wide closed; And
Apply acting force component, apply towards the acting force of described primary importance to described development flashboard,
Described container body has vessel side first abutting part, described development flashboard has component of the strobe side abutting part, described toner container is being assembled in the assembling process of described container mount of described developing apparatus, and described vessel side first abutting part abuts with described component of the strobe side abutting part
Described vessel side first abutting part and described component of the strobe side abutting part are formed: in described assembling process, move to described assembling direction with described toner container, overcome the acting force of described applying acting force component, make described development flashboard from described primary importance to described second place displacement
In described vessel side first abutting part and described component of the strobe side abutting part, at least the abutting part of side has dip plane, and described dip plane, as the bearing surface abutted with the abutting part of opposite side, tilts relative to described assembling direction,
In described assembling process, described dip plane converts the pressing force of described toner container to and makes described development flashboard from described primary importance to the power of described second place displacement,
Described container body also comprises: helicoid conveyer, for the toner of described container body inside is supplied to described developing apparatus; And container gear, be connected with the tip of described helicoid conveyer,
Described developing apparatus also comprises gear carrier, described gear carrier have can with the output gear of described container gears meshing,
Described gear carrier can switch between the position of engagement making described output gear be meshed with described container gear and the retreating position kept out of the way from the described position of engagement.
5. image processing system according to claim 4, is characterized in that,
Described gear carrier is provided with gear carrier and applies acting force component, and described gear carrier applies acting force component and applies towards the acting force in the direction of the described position of engagement to described gear carrier,
Described gear carrier is formed gear carrier side abutting part, described container body is formed vessel side second abutting part, described toner container is being assembled in the process of described container mount of described developing apparatus, described vessel side second abutting part abuts with described gear carrier side abutting part
Described gear carrier side abutting part and described vessel side second abutting part are formed: in described assembling process, move to described assembling direction with described toner container, overcome the acting force that described gear carrier applies acting force component, make described gear carrier from the described position of engagement to described retreating position displacement, after completing described assembling process, described gear carrier is made to turn back to the described position of engagement.
6. the image processing system according to claim 4 or 5, is characterized in that,
Described developing apparatus on the position of a side end of this axis, has described toner replenishing mouth in the middle part of the axis than described developer roll,
It is the described second place that described development flashboard is displaced to the position of a described axial side end opposite side.
7. a toner container, is characterized in that, supplements toner to developing apparatus, described developing apparatus comprises developer roll, the periphery that described developer roll carries the image carrier of toner image on periphery provides toner, and described toner container can be assembled into described developing apparatus with installing and removing
Described developing apparatus also comprises:
Housing main body, long in the axially size of described developer roll, have container mount and toner replenishing mouth, described container mount is for assembling described toner container, and described toner replenishing mouth receives the toner from the described toner container being assembled in described container mount;
Development flashboard, with can along the mode of the direction displacement parallel with the axis of described developer roll, remain on described housing main body, and can displacement between the primary importance of described toner replenishing mouth and the second place that described toner replenishing mouth is opened wide closed; And
Apply acting force component, apply towards the acting force of described primary importance to described development flashboard,
Described toner container comprises: container body, and described container body has the storage toner resettlement section of toner, the cylindrical portion projecting from the bottom of a side of described toner resettlement section and is arranged on the toner discharging port for supplementing toner to described developing apparatus of tip lower surface of described cylindrical portion; Helicoid conveyer, carries the toner be stored in toner resettlement section to described toner discharging port; And component of the strobe, for toner discharging port described in switch, described toner container as assembling direction, is assembled into described developing apparatus along this assembling direction using the direction vertical with the axis of described developer roll,
Assemble along the direction vertical with the long side direction of described housing main body under the state that described toner container arranges along described assembling direction with described cylindrical portion in described toner resettlement section, enter along described assembling direction with described cylindrical portion, described component of the strobe by described assembling side in the opposite direction displacement carry out unlimited described toner discharging port
Described container body has abutting part, and described toner container is being assembled in the process of described container mount, described abutting part abuts with described development flashboard,
Described abutting part is formed: in described assembling process, moves, overcome the acting force of described applying acting force component, make described development flashboard from described primary importance to described second place displacement with described toner container to described assembling direction.
CN201210109742.9A 2011-04-15 2012-04-13 Image forming apparatus and toner container Expired - Fee Related CN102736483B (en)

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CN102736483A (en) 2012-10-17
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JP5086460B2 (en) 2012-11-28

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